package chap3;

import java.util.Scanner;

/**
 * @author oldliu
 * @since 1.0
 */
public class TstInt3 {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int cardNo=sc.nextInt();
        System.out.println(cardNo);
        double d=3e4;
        System.out.println(d);
        System.out.println("请输入一个浮点数：");
        double d2=sc.nextDouble();
        System.out.println(d2);
    }
}
